This system description reports on how Kissat’s award-winning techniques were adapted to the full-featured incremental SAT solver CaDiCaL, including clausal congruence closure, clausal equivalence sweeping, and bounded variable addition, to support efficient linear proof production with hints.
This paper revisits previous work on ER, which factors out repeated parts of learned clauses during conflict analysis, and explores how their original strategy benefits from 15 years of improvements in the state-of-the-art solver CaDiCaL, and proposes a new, less intrusive inprocessing approach based on factoring XOR and ITE gates from learned clauses globally.
Florian Pollitt, Zachary Battleman, Mathias Fleury et al.· International Conference on...· 1 citation
This paper revisits the theory-independent MCSat framework as a proof system to provide a modern perspective that refines the original formulation of MCSat, and presents a general, theory-agnostic rule scheme for MCSat and instantiate it for several theories, including propositional logic, non-linear real arithmetic, and uninterpreted functions.
T. Hader, Theo Jauschneg, Daniela Kaufmann et al.· 0 citations
It is shown that adding conditional autarkies (as set-blocked clauses) on top of resolution allows efficient refutations of a number of natural combinatorial principles that may occur in SAT benchmarks.
Ilario Bonacina, Maria Luisa Bonet, A. Kolokolova et al.· International Conference on...· 0 citations
Here it is explained how and why the WhyUnsat approach is now also directly applicable, at no implementation cost, to IPASIR-UP-based constraint programming by Lazy Clause Generation (LCG) as well as to SAT Modulo Theories (SMT).
R. Nieuwenhuis, Albert Oliveras, Enric Rodríguez-carbonell· 0 citations
PalRUP is introduced – an LRUP -based proof format and a bottleneck-free, decentralized parallel checking procedure that only uses the (parallel) file system and is composed of a set of small, sequential trusted components.
Ruben Götz, Michael Dörr, Dominik Schreiber· International Conference on...· 0 citations
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